Patent application number | Description | Published |
20100324249 | POLYMER COMPLEX HAVING CHANNELS AND METHOD FOR CHEMICALLY MODIFYING INNER SURFACES OF CHANNELS OF POLYMER COMPLEX - The present invention is to provide a method for chemically modifying the inner surfaces of channels capable of further regulating characteristics of the internal environment of channels, by forming a polymer complex having a specific channel group B, the channel environmental characteristics of which are regulated by a specific substituent A, followed by utilizing the channels of the channel group B as a reaction field to convert the substituent A to a different substituent, and also to provide a polymer complex having highly specific channel environmental characteristics obtained by the chemical modification method. A method for chemically modifying inner surfaces of channels of at least one kind of channel group in a polymer complex provided with two or more kinds of channel groups each composed of channels identical with one another and having inherent affinity for a guest molecule, wherein the polymer complex comprises an aromatic compound; has two or more coordinating sites as a ligand, a metal ion as a central metal, and an uncoordinating aromatic compound, has a three-dimensional lattice-like structure containing a stack structure comprising the uncoordinating aromatic compound intercalated between aromatic compound ligands in a three-dimensional coordination network formed by coordinating the aromatic compound ligands to the central metal ion, and is provided with two or more kinds of the channel groups in the three-dimensional coordination network, and the uncoordinating aromatic compound has a specific substituent A at a specific position on the aromatic ring thereof, and is arranged regularly such that the substituent A is directed to the inside of a specific channel group B out of the two or more kinds of channel groups, the method comprising the steps of: including the guest molecule in the channel of the channel group B in which the substituent A is arranged; and reacting the guest molecule with the substituent A in the channel to convert the substituent A to a substituent A′, and to arrange the substituent A′ regularly directing to the inside of the channel of the channel group B or any channel of other channel groups. | 12-23-2010 |
20110098414 | Polymer Complex - The invention provides a polymer complex having two or more kinds of channel groups through which specific compounds ranging from gaseous small molecules to large molecules such as proteins and other biomolecules can be selectively incorporated and/or released and/or transported. The polymer complex comprises an aromatic compound having two or more coordinating sites as a ligand, a metal ion as a central metal, and an uncoordinating aromatic compound, wherein the polymer complex has a three-dimensional lattice-like structure containing a stack structure comprising the uncoordinating aromatic compound intercalated between aromatic compound ligands in a three-dimensional coordination network formed by coordinating the aromatic compound ligands to the central metal ion, the three-dimensional lattice-like structure is provided with two or more kinds of channel groups each composed of channels identical with one another and having inherent affinity for guest components, the uncoordinating aromatic compound has a specific substituent A at a specific position on the aromatic ring thereof, and the uncoordinating aromatic compound is arranged regularly such that the substituent A is directed to the inside of a specific channel group B out of the two or more kinds of channel groups. | 04-28-2011 |
Patent application number | Description | Published |
20090035554 | PREFORM FOR COMPOSITE MATERIAL AND PROCESS FOR PRODUCING THE SAME - A preform for a composite material which has high strength and excellent air permeability and hence is applicable to a high-speed die casting method and which is capable of forming a metal composite material having excellent mechanical properties by a high-speed die casting method. Also provided is a process for producing such a preform. Ceramic fibers or/and ceramic particles are mixed with a silica sol and calcium carbonate and sintered at a predetermined temperature to form a calcium/silicon sinter obtained from the silica sol and calcium carbonate. The calcium/silicon sinter coats the ceramic fibers or/and ceramic particles so that a preform having the fibers or/and the particles bound to each other by the calcium/silicon sinter is obtained. The preform for a composite material has high strength and excellent air permeability and is applicable to the high-speed die casting method capable of attaining high productivity. | 02-05-2009 |
20090197074 | METAL COMPOSITE MATERIAL AND PROCESS FOR PRODUCTION OF METAL COMPOSITE MATERIAL - A metal composite material which can show high wear resistance and durability when used as a sliding member and a process for producing such a metal includes material are proposed. The metal composite material ( | 08-06-2009 |
20100143704 | METAL COMPOSITE MATERIAL AND PROCESS FOR PRODUCING METAL COMPOSITE MATERIAL - A metal composite material is obtained by casting a melt of a metal and has an outer surface on which aluminum borate particles maintained in a porous form are exposed. Therefore, an oil is allowed to infiltrate the aluminum borate particles on the outer surface, to be retained therein and to ooze out during sliding. As a consequence, the sliding life during which desired sliding properties are maintained can be significantly prolonged. The metal composite material may be produced from a preform obtained by sintering aluminum borate particles covered with electrically neutralized silica and alumina particles which have been formed by mixing a silica sol and an alumina sol with aluminum borate particles in an aqueous solution to cover aluminum borate particles. | 06-10-2010 |
20110162521 | MMC CYLINDER LINER AND METHOD FOR PRODUCING THE SAME - An MMC cylinder liner comprises an inner tubular portion and an outer tubular portion. The inner tubular portion includes a metal matrix composite formed of a compact impregnated with an Al—Si alloy wherein the compact is made of a reinforcing material. The outer tubular portion is formed of the Al—Si alloy. The Si concentration of the Al—Si alloy impregnated into the compact of the inner tubular portion is different from the Si concentration of the Al—Si alloy of the outer tubular portion. | 07-07-2011 |
Patent application number | Description | Published |
20090318663 | Polymerizable Spherical Transition Metal Complex, Spherical Transition Metal Complex, and Production Method Thereof - A polymerizable spherical transition metal complex is provided which has a hollow shell which is formed from transition metal atoms and bidentate organic ligands, the bidentate organic ligands having a substituent having a polymerizable group moiety at an end thereof, and the substituents being oriented towards the interior of the hollow shell. A spherical transition metal complex in which, in the hollow shell of the polymerizable spherical transition metal complex, the polymerizable groups are polymerized, and a production method thereof are also provided. The polymerizable spherical transition metal complex which is a spherical transition metal complex having a hollow shell, is characterized in that the hollow shell is formed from a transition metal atoms (wherein a represents an integer of 6 to 60), and 2a bidentate organic ligands, the bidentate organic ligands have a substituent having at least one or more polymerizable group moieties at an end thereof, and the substituents are oriented towards an interior of the hollow shell. The spherical transition metal complex is characterized in that the polymerizable groups are polymerized in the hollow shell of the polymerizable spherical transition metal complex. The production method thereof is also provided. | 12-24-2009 |
20120095196 | POLYHEDRALTRANSITION METAL COMPLEX, TRANSITION METAL COMPLEX CONTAINING ULTRAFINE PARTICLES THEREIN, AND PROCESS FOR PRODUCING SAME - Provided is a polyhedral transition metal complex including a hollow shell, the hollow shell including n1 (where n1 is an integer from 6 to 60) transition metal atoms and 2(n1) bidentate organic ligands, the bidentate organic ligands including a group derived from a polyhydroxy compound via a linking group, and formed so that the group derived from the polyhydroxy compound is oriented toward an inner space of the hollow shell. Also provided are: an ultrafine particle-containing transition metal complex including the polyhedral transition metal complex, and ultrafine particles of a metal oxide, the ultrafine particles being included within the hollow shell of the polyhedral transition metal complex; a method of producing the same. The invention thus provides a polyhedral transition metal complex that makes it possible to efficiently produce metal oxide particles having a uniform particle size of several nanometers, an ultrafine particle-containing polyhedral transition metal complex in which metal oxide particles are included within a polyhedral structure and the method of producing the same. | 04-19-2012 |
20140338362 | GAS-TURBINE COOLING SYSTEM AND GAS-TURBINE COOLING METHOD - A gas turbine can efficiently be cooled by using steam, without using high-pressure steam generated in an exhaust-heat recovery boiler and without decreasing the high-pressure steam generation. This cooling system is provided with a gas turbine; an exhaust-heat recovery boiler having a high-pressure system that generates high-pressure steam by means of heat exchange with exhaust heat from the gas turbine, a high-pressure drum that supplies water and steam to the high-pressure system, a medium-pressure system that generates medium-pressure steam by means of heat exchange with the exhaust heat from the gas turbine, and a medium-pressure drum that supplies water and steam to the medium-pressure system; a medium-pressure steam pipe that connects the medium-pressure system and a cooling system of the gas turbine and that supplies the medium-pressure steam from the medium-pressure system to the cooling system; and a steam supplying pipe that connects the high-pressure drum and the medium-pressure drum. | 11-20-2014 |
20150219533 | GUEST-COMPOUND-ENVELOPING POLYMER-METAL-COMPLEX CRYSTAL, METHOD FOR PRODUCING SAME, METHOD FOR PREPARING CRYSTAL STRUCTURE ANALYSIS SAMPLE, AND METHOD FOR DETERMINING MOLECULAR STRUCTURE OF ORGANIC COMPOUND - The present invention is: a guest-compound-enveloping polymer-metal-complex crystal characterized by at least one selected from an aliphatic hydrocarbon, an alicyclic hydrocarbon, an ether, an ester, an aromatic hydrocarbon, a halogenated hydrocarbon, and a nitrile being enveloped as a guest compound (A) in the minute pores or the like of a polymer-metal complex that contains a metal ion as a central metal and a ligand having at least two ligating sites, has a 3D network structure formed by the ligand being ligated to the metal ion, and has the minute pores or the like regularly arranged three-dimensionally within the 3D network structure, the amount of the guest compound (A) present within the minute pores or the like being at least 60 mol % of all the guest compounds enveloped in the minute pores or the like; a method for producing the guest-compound-enveloping polymer-metal-complex crystal; a method for preparing a crystal structure analysis sample using the crystal; and a method for determining the molecular structure of an organic compound using the sample obtained by said method. | 08-06-2015 |